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A Precision punch planter for use in tilled and untilled soils. ADEKOYA L,BUCHELE W. Journal of Agricultural Engineering Research . 1987
[2]
A precision punch-planter for sugar beets. JAFARI J V,,FORNSTROM K J. Transactions of the ASME . 1972
[3]
精密播种理论[M]. 吉林科学技术出版社 , 马成林编著, 1999
[7]
A high-speed dibbling transplanter. Munilla R D,Shaw L N. Transactions of the ASME . 1987